What has the author Robert W Campbell written?

Answer 1

Robert W. Campbell has written:

'Gypsy moth' -- subject(s): Gypsy moth

'Tree condition and mortality following defoliation by the gypsy moth' -- subject(s): Defoliation, Diseases and pests, Gypsy moth, Trees

'Forest stand responses to defoliation by the gypsy moth' -- subject(s): Defoliation, Disease and pest resistance, Food, Forest ecology, Gypsy moth, Physiology, Trees

'The analysis of numerical change in gypsy moth populations' -- subject(s): Gypsy moth, Insect populations, Mathematical models

'Day-to-day survival of late-instar western spruce budworm larvae and pupae' -- subject(s): Insects, Larvae, Pupae, Western spruce budworm

'Forecasting gypsy moth egg-mass density / by Robert W. Campbell' -- subject(s): Gypsy moth, Insect populations